Custom LLM Applications
We design and build LLM-powered products end to end: prompt and context engineering, structured outputs, tool use, streaming UX, cost controls and monitoring. Every feature ships with an evaluation harness so quality is measured, not assumed.
Deliverables you can hold us to
- Production application with streaming, retries and fallbacks
- Prompt library under version control with regression tests
- Structured-output schemas and validation layer
- Usage, cost and quality dashboards
Typical situations
- 01Drafting and summarisation inside your SaaS product
- 02Internal copilots for analysts, recruiters or support staff
- 03Document generation from structured records
Part of Generative AI & LLM Engineering
RAG, fine-tuning, evals and LLM apps built for production.
Explore the full offeringHow a typical engagement runs
Scoped up front, shipped weekly, measured against the metric we agreed.
Discover
A 60-minute call and a deep-dive sprint that end in a scored opportunity map and a baseline.
Design
Architecture and stack chosen with a decision matrix and a model bake-off on your data.
Build
Weekly releases into your environment with evals, guardrails and traces from sprint one.
Scale
Hardening, staged rollout, cost controls and handover so your team runs it.
More in Generative AI & LLM Engineering
Get the clarity you deserve
Straight answers to the questions we hear most. Ask us anything else on a call.
OpenAI GPT, Anthropic Claude, Google Gemini, Meta Llama, Mistral, DeepSeek and other open-weight models. We pick per task based on measured quality, cost and latency on your data, and we build so you can switch later.
OpenAI GPT, Anthropic Claude, Google Gemini, Meta Llama, Mistral, DeepSeek and other open-weight models. We pick per task based on measured quality, cost and latency on your data, and we build so you can switch later.
Let's build intelligent systems that drive growth
Tachyon is the engineering partner for teams that need AI in production, not in a deck. Start with a free 60-minute discovery call.
Talk to experts about your product idea
Every great partnership begins with a conversation. Whether you are exploring possibilities or ready to scale, tell us what you are actually trying to build.
- ubheshubham.37@gmail.com
- +91 84592 96471
- Clients worldwide · English
- Pune, India · Headquarters